the westbound freeway and into virginia, stalled vehicles, there's an accident after main avenue, and i will show you the crash near the exit for 110, southbound on 395, notice the accident, traffic getting guide to the left. back to you. >> thank you. >>> our top story, police searched through the night for explosives that may have been left behind by and gunman who took three people hostage at the discovery channel building. he was shot and killed by police. the hostages are safe this morning, but there are still many questions. brianne carter is not the discovery channel headquarters in downtown silver spring. good morning, what can you tell us today? >> officers say that the gunman acted alone. james j. lee was well-known at discovering. a longtime protester who was upset with their programming. four hours , james j. lee held three men hostage inside the discovery channel building, beginning 1:00 yesterday afternoon when he locked into the main lobby with a handgun, a metal canisters strapped to his body, carrying a backpack and boxes believed to be explosive devices. he fired a sho